body,ol,ul,h1,h2,h3,h4,h5,h6,p,th,td,dl,dd,form,fieldset,legend,input,textarea,select{
    margin: 0;
    padding: 0;
    outline: none;
}
 body,html{
     font-size: 12px;
 }
 html{
    height: 100%;
 }
 li{
     list-style: none;
 }
 a{
     text-decoration: none;
     color: #444444;
 }
 h1,h2,h3,h4,h5,h6,b,strong{
    font-weight: normal;
    font-size: 100%;
     
 }
.clearfix{
    *zoom: 1;
}
.clearfix::after{
    content: '';
    display: block;
    height: 0;
    clear: both;
    overflow: hidden;
    visibility: hidden;
}
img{
    vertical-align: middle;
}
input{
    outline: none;
}